The lowely 780x, the mule of power supplies! This guy does the heavy lifting in so many designs. Sure the drop-out is a crummy 2V, there’s no enable/disable pin, they draw 5mA quiescent and they need fairly large stabilization capacitors but they are REALLY CHEAP and they can handle up to 35VDC. Pick up a bunch of them in TO-220 or TO-92 from your favorite distributor.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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